/Engine/Source/Runtime/MediaAssets/Public/IMediaAssetsModule.h
Delegate that reacts to change in Media state (Play, Stop, Pause etc.)
typedef TMulticastDelegate_ThreeParams< void, const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > &, uint8, bool > FMediaStateChangedDelegate